The art on the card is by Atsuko Nishida the graphic artist who designed a number of popular Pokmon, including Pikachu
First, it coined the font ( Beleren, named after the planeswalker Jace Beleren), it added the shiny holofoil stamp to all Rare, Mythic, or otherwise valuable cards, and extended the black border to cover a large chunk of the bottom of the card to help with machine reading - a very useful feature for places like Twitch
Here's how much the most expensive batch will fetch you as of this writing
It's pretty much in every non-standard burn deck
Do my justifications make sense
These lands can hit quite hard, especially if you pair Jolrael with cards that let you ignore the maximum hand size like Sea Gate Restoration and Ancient Silver Dragon